110012121002221 has 4 divisors (see below), whose sum is σ = 111404679496000. Its totient is φ = 108619562508444.

The previous prime is 110012121002209. The next prime is 110012121002239. The reversal of 110012121002221 is 122200121210011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110012121002221 - 2¹⁵ = 110012120969453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110012121002195 and 110012121002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110012121002261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696279246771 + ... + 696279246928.

It is an arithmetic number, because the mean of its divisors is an integer number (27851169874000).

Almost surely, 2^{110012121002221} is an apocalyptic number.

It is an amenable number.

110012121002221 is a deficient number, since it is larger than the sum of its proper divisors (1392558493779).

110012121002221 is an equidigital number, since it uses as much as digits as its factorization.

110012121002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392558493778.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110012121002221 its reverse (122200121210011), we get a palindrome (232212242212232).

The spelling of 110012121002221 in words is "one hundred ten trillion, twelve billion, one hundred twenty-one million, two thousand, two hundred twenty-one".